Measurement of the τ-lepton mass

• Main Authors: BALEST, R.; et al., THULASIDAS, M.
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 1993
• Subjects: Databases and Information Systems
• Online Access: https://ink.library.smu.edu.sg/sis_research/5801
• Institution: Singapore Management University

Using data from the CLEO II detector at CESR, we measure the τ-lepton mass by exploiting the unique kinematics of events in which both τ's decay hadronically. The result is mτ=1777.8±0.7±1.7 MeV/c2. By comparing our result with other measurements near τ-pair threshold, we extract an upper limit...